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प्रश्न
What is a Nodal centre?
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उत्तर
A town, which is at the junction of many routes is usually very important and is known as a nodal centre. A nodal centre has generally a dense settlement. Big towns, having dense settlements, reflect the availability of industry and commerce. The availability of minerals can also cause the growth big towns.
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संबंधित प्रश्न
Name the following: An offshore oil field in the Gulf of Cambay.
Mention one man-made feature in the map, which also provides evidence that the rainfall is seasonal.
Name two natural features in 0527.
Name two relief features that can be seen in grid square 9782 and 9574.
What type of rainfall is experienced in the region shown in the map extract? Justify your answer giving one reason.
What are ‘National Grid Reference’?
Why are directions on a map important?
What is Concave Slope and Convex Slope? Explain?
Study the extract of the Survey of India Map Sheet No. 45D/7 and answer the following questions:
(a) Give the six-figure grid reference of:
(i) ∆ 225 (ii) A lined well near Ganguwada.
(b) Name the most important perennial source of irrigation shown on the map extract.
(c) (i) What does 3r in the grid square 8895 mean?
(ii) What do you mean by 20r in the grid square 8994?
(d) Give two points in evidence to show that the region in the map extract has seasonal rainfall.
(e) (i) What does the blue line in the Varkanala indicate?
(ii) What is the general direction of the Varkanala?
f) (i) What is the meaning of 1 : 50000 printed below the map extract?
(ii) Calculate the distance in km., along the cart track between Jegal in the grid square 8590 and Odhava in the grid square 8892.
(g) Which part of the map is more developed in agricultural occupation? Give a reason for your answer.
(h) Give the four-figure grid reference of confluence of Sipu river and Varkanala.
(i) Name two types of vegetation in the given map extract.
(j) What is the pattern of drainage in the grid square 8599?
(k) (i) How many types of tracks are shown in the map extract? Name them.
(ii) What is the common mode of transportation in the southern part of this map?
(l) What is the general pattern of settlement? Why?
If you are interpreting the cultural features from a topographical sheet, what information would you like to seek and how would you derive this information? Discuss with the help of suitable examples.
